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Fair Value Accounting (Details) - Fair Value, Measurements, Recurring [Member] - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Securities available for sale
US government agencies	$ 6,180	$ 6,159
SBA securities	1,420	1,437
State and political subdivisions	20,572	20,474
Mortgage-backed securities	34,664	36,410
Mortgage loans held for sale	7,452	7,801
Interest rate lock commitments	455	256
Total assets measured at fair value on a recurring basis	70,743	72,537
Liabilities
MBS forward sales commitments	140	3
Total liabilities measured at fair value on a recurring basis	140	3
Level 1 [Member]
Securities available for sale
US government agencies
SBA securities
State and political subdivisions
Mortgage-backed securities
Mortgage loans held for sale
Interest rate lock commitments
Total assets measured at fair value on a recurring basis
Liabilities
MBS forward sales commitments
Total liabilities measured at fair value on a recurring basis
Level 2 [Member]
Securities available for sale
US government agencies	6,180	6,159
SBA securities	1,420	1,437
State and political subdivisions	20,572	20,474
Mortgage-backed securities	34,664	36,410
Mortgage loans held for sale	7,452	7,801
Interest rate lock commitments	455	256
Total assets measured at fair value on a recurring basis	70,743	72,537
Liabilities
MBS forward sales commitments	140	3
Total liabilities measured at fair value on a recurring basis	140	3
Level 3 [Member]
Securities available for sale
US government agencies
SBA securities
State and political subdivisions
Mortgage-backed securities
Mortgage loans held for sale
Interest rate lock commitments
Total assets measured at fair value on a recurring basis
Liabilities
MBS forward sales commitments
Total liabilities measured at fair value on a recurring basis

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- Definition

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258

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Fair values as of the balance sheet date of the net amount of all assets and liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958

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Fair value of obligations incurred from short sales.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 940
-SubTopic 320
-Section 35
-Paragraph 1
-Subparagraph (b)
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-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
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Fair value portion of loans held-for-sale including, but not limited to, mortgage loans and finance receivables.

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Fair value of securitized, pay-through debt securities collateralized by real estate mortgage loans classified as available-for-sale.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Mortgage-Backed Securities
-URI http://asc.fasb.org/extlink&oid=6517959

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